Book6-Unit4-Global-Warming-(Reading)-精品课件.ppt

,Unit4GlobalWarming,Step1:Lead-in,(EarthSongbyM.J.),Now,ourhome-theearthisfacingmanyterribleproblems,Whatishappeningtotheearth?,airpollution,waterpollution,flood,drought,toomanytreesarecutdown=deforestation,Whichisthemaintopicinthisunit?,globalwarming,Whatisglobalwarming?,Whatcausedglobalwarming?,Whatcanwedoaboutglobalwarming?,Reading(P.26):THEEARTHISBECOMINGWARMERBUTDOESITMATTER?,hot!,Learning造成2.大量的3.上升;增长;升起4.导致,eabout2.quantitiesof3.goup4.resultin,5.同意;赞成;订购6.反对7.增加，聚集8.继续,5.subscribeto6.beopposedto7.buildup8.keepon,Step3:Pre-reading,Guessfromthetitleandthetwographs:Whatmaybetalkedaboutinthepassage?,A.ThecauseoftheglobalwarmingB.ThephenomenonoftheglobalwarmingC.ItdoesntmatterthattheearthisbecomingwarmerD.BothAandB,Step4:FastReading(formainidea),Part1,c.anintroductionofglobalwarming,Part2,Part3,Part4,d.Howglobalwarmingcomesabout?,a.twodifferentattitudestowardsglobalwarming,b.whetherpeopleshoulddosth.aboutglobalwarming,(Para_),(Para_to_),(Para_),(Para_),1,2,5,6,7,Howmanyparagraphsdoesthereadingtextconsistof?Pleasenumberthem.2)Makeadivisionofthetext.,Step5:CarefulReading(fordetailedinformation),1.Whowrotethemagazinearticle?,2.Whatisthenameofthemagazine?,3.Whatsthemeaningoftheword“explore”inLine.4?A.toexamineaproblemcarefully.B.toansweraproblemC.tovisitsomewhere,SophieArmstrong,EarthCare,Part1(Para.1):anintroduction,Part2(Para.2-5):thecauseofglobalwarming,_offossilfuels,humanactivity,_gasesareproduced,anaturalphenomenoncalled_,_heatfromthesun,Theearthis_,burning,greenhouse,greenhouseeffect,trap,warmed,Readpart2carefullyandanswer:Whatisthecauseofglobalwarming?,Whoistoblamefortheglobalwarming?Humanactivity?Ornaturalphenomenon?,Part3(Para.6):twodifferentattitudes,Badeffects,Goodeffects,pessimistic,optimistic,1.thesealeveltorise2.severestorms风暴3.floods4.droughts干旱5.famines饥荒6.thespreadofdisease7.thedisappearanceofspecies,1.makeplantsgrowfaster2.cropswillproducemore庄稼产量更高3.agreaterrangeofanimals物种的丰富4.makelifebetter,JaniceFoster,GeorgeHambley,1.Dotheydrawaconclusionatlast?2.Thewriterprobablythinks_.A.Itmatters.B.Itdoesntmatter.,Part4(Para.7):Doesitmatter?,No,Para.1,I,Para.7,IV,Howdoesthewriterwritethepassage?,Para.2-5,II,Para.6,III,Introduction,Body,Conclusion,Step6:Post-reading(organization),Itiscertainthattheearthisbecomingwarmer,buttherearesomeverydifferentattitudestowardstheeffectsofglobalwarming.Somepeoplethinkthatifglobaltemperaturecontinuesgoingup,itwouldbeadisaster.Globalwarmingwouldleadtoariseinsealevel;otherspredictweatherchangeslikeseverestorms,droughts,famines,heatwaves,andheavysnowstorms,famines,thespreadofdiseases,andthedisappearanceofspecies.Ontheotherhand,therearethosewhobelievemorecarbondioxideisactuallyagoodthing.Itwillmakeplantsgrowfaster;andencourageagreatervarietyofanimals.,agreaterrangeof,keepson,catastrophe,resultin,Thereisnodoubtthat,climate,Step6:Post-reading(consolidation),Replacetheunderlinedexpressionswiththewords,phrasesandpatternswehavelearnedinthepassage.,positive,Step7:Watchinganddiscussing,1.Whatdoesthevideowanttotellus?2.Accordingtowhatwehavelearnedtoday,whatcauseglobalwarming?,3.Whatshouldwedoaboutglobalwarming?,paperbag,switchoff,plasticbag,Saveourearth,saveourselvesThevideowantstotellusthattheearthisgetting_,andwhenwefeelit,_.Peoplesactivitiesarethemaincause._W